Why you want to prove a!=b? You cannot prove it because it’s not true for the question concerned. Your logic is wrong.
通过取一阶导数很容易证明a是单调递增的和b 是单调递减的。
Why you want to prove a!=b? You cannot prove it because it’s not true for the question concerned. Your logic is wrong.
通过取一阶导数很容易证明a是单调递增的和b 是单调递减的。
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